\begin{table}%t1
\caption{Orbital data of HD~128311 as provided by \citet{2005ApJ...632..638V}. $M$~denotes the mean anomaly.}\label{table:1}      
%\centering
\small                         
\begin{tabular}{c c c c c c}       
\hline\hline              
Planet & Mass [$M_{\rm J}$]& $a$ [AU] & $e$ & $M$ [deg] & $\varpi$ [deg] \\   
\hline                      
   b  & 1.56 & 1.109 & 0.38 & 257.6 & 80.1 \\     
   c  & 3.08 & 1.735 & 0.21 & 166.0 & 21.6  \\
\hline                                   
\end{tabular}
\end{table}